etc/init.d/udev.init.lfs

   1 #!/bin/sh
   2 #
   3 # LinuxFromScratch udev init script
   4 #  derived from original RedHat udev init script
   5 #  2003 by Michael Buesch <mbuesch@freenet.de>
   6 #
   7
   8 source /etc/sysconfig/rc
   9 source $rc_functions
  10
  11 udev_dir="/udev"
  12 sysfs_dir="/sys"
  13 bin="/sbin/udev"
  14
  15 case "$1" in
  16         start)
  17                 echo "Creating initial udev device nodes ..."
  18                 if [ ! -d $udev_dir ]; then
  19                         mkdir $udev_dir
  20                         if [ $? -ne 0 ]; then
  21                                 print_status failure
  22                                 exit 1
  23                         fi
  24                 fi
  25                 if [ ! -d $sysfs_dir ]; then
  26                         echo "sysfs_dir $sysfs_dir does not exist!"
  27                         print_status failure
  28                         exit 1
  29                 fi
  30                 # propogate /udev from /sys - we only need this while we do not
  31                 # have initramfs and an early user-space with which to do early
  32                 # device bring up
  33                 clean_exit="yes"
  34                 export ACTION=add
  35                 # add block devices and their partitions
  36                 for i in ${sysfs_dir}/block/*; do
  37                         # add each drive
  38                         export DEVPATH=${i#${sysfs_dir}}
  39                         $bin block
  40
  41                         # add each partition, on each device
  42                         for j in $i/*; do
  43                                 if [ -f $j/dev ]; then
  44                                         export DEVPATH=${j#${sysfs_dir}}
  45                                         $bin block
  46                                         if [ $? -ne 0 ]; then
  47                                                 echo "Warning: $DEVPATH failed."
  48                                                 clean_exit="no"
  49                                         fi
  50                                 fi
  51                         done
  52                 done
  53                 # all other device classes
  54                 for i in ${sysfs_dir}/class/*; do
  55                         for j in $i/*; do
  56                                 if [ -f $j/dev ]; then
  57                                         export DEVPATH=${j#${sysfs_dir}}
  58                                         CLASS=`echo ${i#${sysfs_dir}} | \
  59                                                 cut --delimiter='/' --fields=3-`
  60                                         $bin $CLASS
  61                                         if [ $? -ne 0 ]; then
  62                                                 echo "Warning: $DEVPATH failed."
  63                                                 clean_exit="no"
  64                                         fi
  65                                 fi
  66                         done
  67                 done
  68                 if [ $clean_exit = "yes" ]; then
  69                         print_status success
  70                 else
  71                         print_status warning
  72                 fi
  73                 ;;
  74         stop)
  75                 echo "Removing udev device nodes ..."
  76                 # be careful
  77                 if [ $udev_dir -a "$udev_dir" != "/" ]; then
  78                         # clear out /udev
  79                         rm -rf ${udev_dir}/*
  80                         evaluate_retval
  81                 fi
  82                 ;;
  83         reload)
  84                 # nothing to do here
  85                 ;;
  86         restart)
  87                 $0 stop
  88                 sleep 1
  89                 $0 start
  90                 ;;
  91         status)
  92                 if [ -d $udev_dir ]; then
  93                         echo "the udev device node directory exists"
  94                 else
  95                         echo "the udev device node directory does not exist"
  96                 fi
  97                 ;;
  98         *)
  99                 echo "Usage: $0 {start|stop|restart|status}"
 100                 exit 1
 101                 ;;
 102 esac
 103 exit 0